Globe (jiangsu) Co., Ltd.

Greenworks (jiangsu) Co., Ltd.

The Globe Company

Biao Li

Xian Zhuang

Zhiyuan Li

Ming Luo

Yanliang Zhu

Wen Tao

Yonghe Jiang

Zefeng Wei

Zhengqian Qian

The disclosure provides a bus module, a cascade module, and a bus module control method. The bus module includes an input unit, an output unit, a switching unit, and a control unit. The input unit includes at least one input branch which includes an input interface electrically connected to a peripheral power supply to obtain power output by the peripheral power source. The output unit is provided with an output branch, and the output branch is provided with an output interface to output power obtained by the input unit. One end of the switching unit is connected to the input unit, and the other end of the switching unit is connected to the output unit. And the control unit controls the switching unit to work to control the on-off between the input branch and the output branch.

Bus module, cascade module and bus module control method

The disclosure provides a power tool, a detection circuit and a detection method of a load state thereof. The detection circuit of the power tool includes: a main control unit, a sampling resistor, a voltage sampling unit and an alarm display unit. The sampling resistor is arranged on a driving loop of a motor. The voltage sampling unit is used to sample a voltage across the sampling resistor. The alarm display unit is connected with the main control unit. The main control unit is configured to control the alarm display unit to execute a preset display state according to a voltage signal across the sampling resistor sampled by the voltage sampling unit.

Power tool, detection circuit and detection method of load state of power tool

The disclosure provides a communication and interaction method and a communication and interaction system using the communication interaction method. The communication and interaction method for communicating and interacting between an electric unit and a power supply unit, including: providing a communication module between the power supply unit and the electric unit; the power supply unit sends a first identification information to the electric unit through the communication module; the electric unit parses the first identification information through the communication module; and the communication module, on the basis of its own communication structure, matches a communication mode and a communication protocol which are applicable to the power supply unit and the electric unit at the same time, such that the communication between the electric unit and the power supply unit is established.

Communication and interaction method and system

The invention discloses a high-voltage driver switch system and switching method. The system includes a main control chip module and an energy storage capacitor connected with a battery pack, a drive circuit module, a pre-charge circuit and a charge circuit for charging the energy storage capacitor. The pre-charge circuit is connected with the main control chip module and has a current limit resistor, so as to pre-charge the energy storage capacitor under the control of the main control chip module. The charge circuit is connected with the main control chip module and has an electronic switch module which includes two ends connected respectively with the battery pack and the energy storage capacitor, the battery pack charges the energy storage capacitor when switched-on. The invention reduces the instantaneous start-up current and avoids a high current impact caused by charging the energy storage capacitor by the battery pack directly.

High-voltage driver switch system and switching method

The invention provides a power tool, which comprises a motor, at least two battery packs supplying power to the motor and arranged in parallel. The power tool also comprises a relay control circuit used for connecting the motor and the battery packs, and the relay control circuit is provided with a controller, and a plurality of relay switch circuits connected with the controller. The controller is used for detecting the electric energy and/or an user state of battery packs and generates battery pack selection signals, the relay switch circuits and the battery packs are arranged one-to-one, the relay switch circuits receive the battery pack selection signals and control turning on/turning off of relays switches therein, and further switch the battery packs in the on state, to make only one battery pack in the on state at the same time.

Growing community of inventors

Changzhou, China

Biao Li